Pastebin: [Swift3] 集合（範囲）に含まれているかを確認する演算子

Format: Plain text
Post date: 2017-01-24 18:11
Publication Period: Unlimited

 import Foundation
 
 precedencegroup Group {
         associativity: left
         lowerThan: RangeFormationPrecedence
 }
 infix operator ⊂ : Group
 func ⊂<T: Comparable> (value: T, pattern: CountableClosedRange<T> ) -> Bool {
         return pattern ~= value
 }
 
 func ⊂<T: Comparable> (value: T, pattern: CountableRange<T> ) -> Bool {
         return pattern ~= value
 }
 
 if 4 ⊂ 1...4 { print("hoge") }  // true
 if 4 ⊂ 1..<4 { print("???") }   // false

다운로드 Printable view

URL of this paste

Embed with JavaScript

Embed with iframe

Raw text

import Foundation

precedencegroup Group {
	associativity: left
	lowerThan: RangeFormationPrecedence
}
infix operator ⊂ : Group
func ⊂<T: Comparable> (value: T, pattern: CountableClosedRange<T> ) -> Bool {
	return pattern ~= value
}

func ⊂<T: Comparable> (value: T, pattern: CountableRange<T> ) -> Bool {
	return pattern ~= value
}

if 4 ⊂ 1...4 { print("hoge") }  // true
if 4 ⊂ 1..<4 { print("???") }   // false

Pastebin: [Swift3] 集合（範囲）に含まれているかを確認する演算子

URL of this paste

Embed with JavaScript

Embed with iframe

Raw text

Confirm the deletion

Download Ranking